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Thidiazuron (Bulk Packaging)

Updated: 2026-07-15

Overview

Thidiazuron (TDZ) is a synthetic urea derivative widely recognized for its role as a plant growth regulator. Bulk packaging of thidiazuron is tailored for large-scale agricultural operations, ensuring cost-efficiency and consistent quality. Its primary function is to induce defoliation in crops like cotton and to promote fruit thinning in orchards, improving yield and harvest efficiency. Thidiazuron is also utilized in plant tissue culture due to its cytokinin-like activity, which stimulates cell division and shoot formation. Its versatility and effectiveness make it a staple in modern agriculture, particularly in regions with intensive farming practices.

Physical and Chemical Properties

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Thidiazuron appears as a white to off-white crystalline powder with a molecular weight of 220.25 g/mol. It has a melting point of 210-212°C, at which point it begins to decompose. The compound is slightly soluble in water but dissolves readily in organic solvents such as acetone and methanol. Its stability under normal storage conditions makes it suitable for long-term use, provided it is kept in a cool, dry environment. The chemical’s efficacy is attributed to its ability to interfere with plant hormone pathways, particularly those involving ethylene and auxin.

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Main Applications

Thidiazuron is predominantly used in cotton production to facilitate defoliation before mechanical harvesting. This application reduces leaf debris in harvested cotton, improving fiber quality. In fruit orchards, it aids in thinning excess fruit, ensuring larger and higher-quality yields. Beyond agriculture, thidiazuron is employed in plant tissue culture to induce shoot formation and somatic embryogenesis. Its cytokinin-like properties make it invaluable for propagating rare or commercially significant plant species under controlled conditions.

Safety and Storage

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Thidiazuron should be handled with care to avoid health risks. Protective equipment, including gloves and goggles, is recommended to prevent skin contact and inhalation. In case of exposure, rinse thoroughly with water and seek medical advice if irritation persists. Storage conditions are critical to maintaining the compound’s efficacy. It should be kept in a cool, dry place, away from direct sunlight and moisture. Properly sealed containers are essential to prevent degradation and contamination.

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B2B Procurement Guide

When procuring thidiazuron in bulk, buyers should prioritize suppliers with verified CAS numbers and purity certifications. Bulk orders typically offer cost advantages, but it’s advisable to request samples for quality testing before large-scale purchases. Procurement professionals should also consider logistics, such as storage and transportation requirements, to ensure the product’s integrity upon delivery. Establishing long-term relationships with reputable suppliers can secure consistent quality and favorable pricing.

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